The interruption stills the torment just long enough that Spyro can properly and defiantly fix his own glare at the students despite still being a few feet off the ground and unable to move lower or higher than that.

"We're just teaching this thing a lesson before we throw it out from the school!"

"Yeah! We've got a dangerous animal here, better step back before it burns you too!"

... That 'warning' might've had a spark of merit if it wasn't for how magically well what could be tape was still present on the little dragon's snout like how most humans would choose to safely handle an alligator or crocodile.